Data over normal GSM call

Diego Fdez. Durán diego at
Tue Apr 8 18:50:26 CEST 2008

On Tue, April 8, 2008 18:02, Joe Pfeiffer wrote:
> Andy Green writes:
>>Hash: SHA1
>>Somebody in the thread at some point said:
>>| On ti, 2008-04-08 at 16:02 +0100, Andy Green wrote:
>>|> I think you're right, but just a thought if you could issue
>> ready-coded
>>|> GSM codec frames, you can put the data direct in there for
>> >1KBytes/sec
>>| Yeah, but you can't.
>>"can't" is pretty strong... isn't "not without seriously hacking
>>something around" better?
> If I understand the limitation correctly, in this case, I think
> "hacking something around" involves hacking at least firmware and
> quite possibly hardware inside the gsm modem.  That's close enough to
> "can't" that the difference really doesn't matter.

Can't you initiate a voice call between to FreeRunners and then use the
mic and mixer devs to modulate the data as sound?
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Diego Fdez. Durán <diego at> |
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